diff options
| author | Jakub Jelinek <jakub@redhat.com> | 2018-03-13 09:05:58 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2018-03-13 09:05:58 +0100 |
| commit | ee6e1303781ca90a35e962c52fe0f6f83a0bc10e (patch) | |
| tree | 8fd9d00bfd1ad1ed9a202e5b1f6f44181d6494ae /gcc | |
| parent | fc31d739fb9feeadfeb28cf795530cd1d1be2d54 (diff) | |
| download | gcc-ee6e1303781ca90a35e962c52fe0f6f83a0bc10e.zip gcc-ee6e1303781ca90a35e962c52fe0f6f83a0bc10e.tar.gz gcc-ee6e1303781ca90a35e962c52fe0f6f83a0bc10e.tar.bz2 | |
re PR target/84827 (ICE in extract_insn, at recog.c:2311)
PR target/84827
* config/i386/i386.md (round<mode>2): For 387 fancy math, disable
pattern if -ftrapping-math -fno-fp-int-builtin-inexact.
* gcc.target/i386/pr84827.c: New test.
From-SVN: r258477
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/i386/i386.md | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr84827.c | 21 |
4 files changed, 30 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index dd12593..20dbd41 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2018-03-13 Jakub Jelinek <jakub@redhat.com> + PR target/84827 + * config/i386/i386.md (round<mode>2): For 387 fancy math, disable + pattern if -ftrapping-math -fno-fp-int-builtin-inexact. + PR target/84828 * reg-stack.c (change_stack): Change update_end var from int to rtx_insn *, if non-NULL don't update just BB_END (current_block), but diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index f4f01c3..bd44243 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -16311,7 +16311,8 @@ "(TARGET_USE_FANCY_MATH_387 && (!(SSE_FLOAT_MODE_P (<MODE>mode) && TARGET_SSE_MATH) || TARGET_MIX_SSE_I387) - && flag_unsafe_math_optimizations) + && flag_unsafe_math_optimizations + && (flag_fp_int_builtin_inexact || !flag_trapping_math)) || (SSE_FLOAT_MODE_P (<MODE>mode) && TARGET_SSE_MATH && !flag_trapping_math && !flag_rounding_math)" { diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 7083c16..db73151 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,8 @@ 2018-03-13 Jakub Jelinek <jakub@redhat.com> + PR target/84827 + * gcc.target/i386/pr84827.c: New test. + PR target/84828 * g++.dg/ext/pr84828.C: New test. diff --git a/gcc/testsuite/gcc.target/i386/pr84827.c b/gcc/testsuite/gcc.target/i386/pr84827.c new file mode 100644 index 0000000..003258c --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr84827.c @@ -0,0 +1,21 @@ +/* PR target/84827 */ +/* { dg-do compile } */ +/* { dg-options "-Ofast -fno-fp-int-builtin-inexact -ftrapping-math -fno-associative-math -mfpmath=387" } */ + +double +f1 (double a) +{ + return __builtin_round (a); +} + +float +f2 (float a) +{ + return __builtin_roundf (a); +} + +long double +f3 (long double a) +{ + return __builtin_roundl (a); +} |